package com.imooc.controller;

import com.imooc.enums.YesOrNo;
import com.imooc.pojo.Carousel;
import com.imooc.pojo.Category;
import com.imooc.pojo.vo.CategoryVO;
import com.imooc.pojo.vo.NewItemsVO;
import com.imooc.service.CarouselService;
import com.imooc.service.CategoryService;
import com.imooc.utils.IMOOCJSONResult;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import io.swagger.annotations.ApiParam;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import springfox.documentation.annotations.ApiIgnore;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpSession;
import java.util.List;

@Api(value = "首页", tags = {"首页展示的相关接口"})
@RestController
@RequestMapping("/index")
public class IndexController {

    @Autowired
    private CarouselService carouselService;

    @Autowired
    private CategoryService categoryService;

    @ApiOperation(value = "获取首页轮播图列表", notes = "获取首页轮播图列表", httpMethod = "GET")
    @GetMapping("/carousel")
    public IMOOCJSONResult carousel() {
        List<Carousel> carouselList = carouselService.queryAll(YesOrNo.YES.type);
        return IMOOCJSONResult.ok(carouselList);
    }


    /*
     * 首页分类展示需求:
     * 1.第一次刷新主页查询大分类,渲染展示到首页
     * 2.如果鼠标上移到大分类,则加载其子分类的内容,如果已经存在子分类,则不需要加载(懒加载模式)
     */
    @ApiOperation(value = "首页分类展示(一级分类)", notes = "首页分类展示(一级分类)", httpMethod = "GET")
    @GetMapping("/cats")
    public IMOOCJSONResult cats() {
        List<Category> list = categoryService.queryAllRootLevelCat();
        return IMOOCJSONResult.ok(list);
    }


    @ApiOperation(value = "获取商品子分类(二级分类)", notes = "获取商品子分类(二级分类)", httpMethod = "GET")
    @GetMapping("/subCat/{rootCatId}")
    public IMOOCJSONResult subCat(
            @ApiParam(name = "rootCatId", value = "一级分类id")
            @PathVariable("rootCatId") Integer rootCatId) {

        if (rootCatId == null) {
            return IMOOCJSONResult.errorMsg("分类不存在");
        }


        List<CategoryVO> subCatList = categoryService.getSubCatList(rootCatId);
        return IMOOCJSONResult.ok(subCatList);
    }

    @ApiOperation(value = "查询每个一级分类最新6条商品数据", notes = "查询每个一级分类最新6条商品数据", httpMethod = "GET")
    @GetMapping("/sixNewItems/{rootCatId}")
    public IMOOCJSONResult sixNewItems(
            @ApiParam(name = "rootCatId", value = "一级分类id")
            @PathVariable("rootCatId") Integer rootCatId) {

        if (rootCatId == null) {
            return IMOOCJSONResult.errorMsg("分类不存在");
        }

        List<NewItemsVO> sixNewItemsLazy = categoryService.getSixNewItemsLazy(rootCatId);
        return IMOOCJSONResult.ok(sixNewItemsLazy);
    }


}
